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Finding the Third Proportional to 198 and 241.88

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Solution

The third proportional to 198 and 241.88 is: 295.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198 : 241.88 = 241.88 : x
  2. Step 2: Convert to fraction form
    198/241.88 = 241.88/x
  3. Step 3: Cross multiply
    198x = 241.88 × 241.88
  4. Step 4: Simplify right side
    198x = 58,503.52
  5. Step 5: Solve for x
    x = 58,503.52/198
  6. Step 6: Final answer
    x = 295.47

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.